HTML5 Application Cache
HTML5 introduces a new method for enabling a web application to be available without your users being online. Having no connection to the internet usually means no access to your …
HTML5 Web Workers
One of the biggest challenges that still exist for web developers today is how to create feature-rich web applications that are very responsive to users. One of the main issues …
HTTP Status Codes
When a client (browser) requests a page from a web server, various status codes are included in the messages that are sent back and forth. These messages can be used …
CSS Grouping and Nesting Selectors
As you develop your CSS structure, you may realize that in many cases, you need to apply the same styles to different elements in your HTML pages. Also, it is …
CSS3 Transitions
CSS3 Transitions allow web developers to introduce effects by allowing property changes in CSS values. These changes are generally defined to occur when certain events occur, such as :hover or …
CSS3 Multiple Column Layout
Creating a multiple columns layout, also known as the “newspaper layout”, has been implemented by web developers for quite some time now. However, this has often resulted in the use …
CSS3 Web Fonts
Prior to CSS3, web developers were basically forced to use fonts that were already installed on visitor’s computer. Web developers typically would choose at least two of the more commonly …
CSS3 Box-Sizing Overview
CSS3 introduces a very useful property called box-sizing. The box-sizing property is used to alter the default CSS box model. The box model is used to calculate the widths and …
CSS3 Border-Radius: Create Rounded Corners
Web developers have wanted to create rectangles with rounded corners for quite some time. In the past, this was accomplished by building the container in pieces and using images to …
CSS Class and ID Selectors
With CSS, there are many ways to apply styles across a web page, but you want to use a style on some of the elements in a web page, but …
CSS3 Box-Shadow Overview
The CSS3 box-shadow property allows web designers to implement drop shadows on box elements. Developers can specify box-shadows values for color, size, blur, and offset. If a border-radius is specified …
CSS Box Model
One of the most important CSS concepts to understand is the Box Model. Once you have an understanding of this concept, CSS will start to become very clear. Here is …